package socket;

import java.io.*;
import java.net.Socket;
import java.nio.charset.StandardCharsets;
import java.util.Scanner;

/*
* 聊天室客户端
* */
public class Client {
    private Socket socket;
    public Client(){
        try {
            /*
                实例化Socket时就是与远程服务器建立连接的过程
                需要传递两个参数
                1、服务器的IP地址，用于找到网络上对方的计算机
                2、服务端口，用于找到服务器计算机上的服务端的
             */
            System.out.println("正在链接服务器");
            socket = new Socket("172.199.15.20",8088);//localhost表示本机IP
            System.out.println("与服务器建立连接成功!");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public void start(){
        try {
            OutputStream out = socket.getOutputStream();
            OutputStreamWriter osw = new OutputStreamWriter(out, StandardCharsets.UTF_8);
            BufferedWriter bw = new BufferedWriter(osw);
            PrintWriter pw = new PrintWriter(bw,true);
            Scanner scan = new Scanner(System.in);
            while (true){
                String line = scan.nextLine();
                if ("exit".equals(line)) {
                    break;
                }
                pw.println(line);
            }

        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            try {
                socket.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

    }

    public static void main(String[] args) {
        Client client = new Client();
        client.start();
    }
}
